Soil Quality Status of Different Land-Use Types in Shiqu County, China

The soil quality status of three typical land-use types (grassland, forestland and cultivated land) in Shiqu County is surveyed, including soil pH, soil calcium carbonate, cation exchange capacity, organic matter, total nitrogen, total phosphorus, total potassium, available nitrogen, available phosphorus, available potassium and microelements levels. The soil quality of different land-use types is evaluated by the soil quality index. The investigation results indicate the different land-use types display significant differences in soil fertility, and the Shiqu County soil is serious lack of microelements. In addition, the soil quality index of different land-use types is in order of grassland (73.2%) > forestland (62.2%) > cultivated land (27.1%).